Mineralogy Database

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42 samples matching your criteria

  • Sample n°8899 : black needles, isolated and in bundles, in quartz block (12 cm)
    Minerals: SCHORL
    Year: 1961
    Country: Rwanda
  • Sample n°8967 : coarse massive
    Minerals: SCHORL
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8994 : black prismatic crystals (3 cm), including one with twinning
    Minerals: SCHORL
    Year: 1961
    Country: Rwanda
  • Sample n°9067 : altered pyrite cubes (1 cm)
    Minerals: SCHORL
    Year: 1962
    Country: Rwanda
  • Sample n°9165 : black prismatic crystals (1-7 cm) in quartz
    Minerals: SCHORL
    Year:
    Country: Rwanda
  • Sample n°9392 : feldspar with saccharoidal texture, with pervasive black schorl
    Minerals: SCHORL FELDSPAR
    Year:
    Country: Rwanda
  • Sample n°9394 : black crystals and aggregates in granular feldspar
    Minerals: SCHORL
    Year:
    Country: Rwanda
  • Sample n°9454 : black prismatic crystals in pegmatite (20 cm)
    Minerals: SCHORL ALBITE
    Year: 1961
    Country: Rwanda
  • Sample n°9468 : black prismatic crystals and plate-shaped muscovite crystals in blocks (7 cm)
    Minerals: SCHORL MUSCOVITE
    Year: 1961
    Country: Rwanda
  • Sample n°9596 : black crystals in vein quartz (7 cm)
    Minerals: SCHORL
    Year:
    Country: Rwanda
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